81863704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2492

約数の個数: 64

約数和(自身を含む): 184312800

約数和(自身を除く): 102449096

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2437, 2584, 4199, 4874, 8398, 9748, 16796, 19496, 31681, 33592, 41429, 46303, 63362, 82858, 92606, 126724, 165716, 185212, 253448, 331432, 370424, 538577, 601939, 787151, 1077154, 1203878, 1574302, 2154308, 2407756, 3148604, 4308616, 4815512, 6297208, 10232963, 20465926, 40931852, 81863704]

約数ペア:

[(1, 81863704), (2, 40931852), (4, 20465926), (8, 10232963), (13, 6297208), (17, 4815512), (19, 4308616), (26, 3148604), (34, 2407756), (38, 2154308), (52, 1574302), (68, 1203878), (76, 1077154), (104, 787151), (136, 601939), (152, 538577), (221, 370424), (247, 331432), (323, 253448), (442, 185212), (494, 165716), (646, 126724), (884, 92606), (988, 82858), (1292, 63362), (1768, 46303), (1976, 41429), (2437, 33592), (2584, 31681), (4199, 19496), (4874, 16796), (8398, 9748)]